Tax rates and tables for prior years.
Edition: Rev. 5-80.
Series: Document ;; 6583; Document (United States. Internal Revenue Service) ;; 6583.
Publisher: Dept. of the Treasury, Internal Revenue Service
Published: 1980
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 89
Subjects: Taxation -- United States -- Rates and tables.
Notes: Cover title.